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We bid farewell to a SparkFun classic but open the door to the next chapter in project-based blog posts.

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It's been a while; today we'll look at serialization using the ArduinoJSON library.

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Let's go over when something like an Arduino or Teensy is more appropriate than using a Raspberry Pi.

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Overview of a small, home-built cart to make soldering, reworking, and electrical testing easier at home

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In a previous blog post we showed off a custom macro keyboard. In this week's post, we update it to make it wireless!

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Remember that Magic Mirror? We now have a tutorial surrounding it, and we've done some super sweet formatting with CSS! Check it out!

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Measure the ambient temperature of the room with either the TMP117 or TMP102!

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Let's take a look at the pros and cons of traditional mechanical relays vs solid state relays.

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I've been crafting a web interface to update an ESP32 using BLE. Check out the tutorial!

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Grab some parts, strap a servo on it, and you'll be reflowing solder in no time!

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No, we're not talking about hiding in bushes with long zoom lenses waiting to see what Tom Cruise is wearing today...

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The current pandemic is creating havoc all over. Supply chain impacts might not be instantly apparent, but manufacturers closing is just the tip of the iceberg.

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A short look back at a test-fixture designed to increase efficiency for future development.

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Discussing what thermal resistance is, how it’s used for thermal management, and how to maximize the life of your project.

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Using encoder feedback to control two DC motors, this robot is self-correcting!

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Facing the daunting task of wiring together 192 of the same I2C sensor inspired a creative solution.

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Comparing analog and digital temperature sensors TMP36, TMP102 and TMP117. Which is better?

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It hasn't been quite a decade since the release of the Raspberry Pi platform, but it was definitely the hardware project that dominated the 2010s for us. For today's post I'd love the reminisce and review the big story.

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Am I missing a more detailed post that elaborates the process and cost of the FCC process? I really need this information.

This is an amazing article!

probably wont get answer as post is 3yrs old lol but ive bought a faulty eveready torch like this and im pretty sure the transformer is…

Looks like the Raspberry Pi Pico is popular! It only came out yesterday, and both SparkFun and Adafruit are sold out on it already! Also,…

This is really interesting.. I have an older bed from the same "popular brand" and I think mine is too old to be supported by a smartphone…

Glancing through the RP2040 Datasheet, it appears that the RTC (which in Britspeak is being called a "Real Time Counter", but in Amerispeak…

This gives new meaning to the term em-"bed"ed electronics. (Sorry, just could not resist.)

Great article.... also check out Amphetamine (a free Mac App) to have great control over when your machine goes to sleep:…

Just about to descend the slippery slope into drone-dom. It all started with stumbling onto the Sparkfun...

I am building an embedded GRBL controller with a jog wheel and DRO. It can also read g-code from a sd card and act as a standalone g-code…

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